M. Phillips, J. Nguyen, und A. Mischke. Advances in Speech Recognition: Mobile Environments, Call Centers and Clinics, Kapitel 3, Springer, New York, (2010)
D. Sonntag, N. Reithinger, G. Herzog, und T. Becker. Spoken Dialogue Systems for Ambient Environments: Second International Workshop, IWSDS 2010, Gotemba, Shizuoka, Japan, Volume 6392 von Lecture Notes in Artificial Intelligence, Springer, Berlin, (2010)